import axios from 'axios';
import errorCode from '@/utils/errorCode'
import cache from '@/plugins/cache'
import {getCache} from "@/utils/cache";
import {TOKEN_KEY} from "@/enums/cacheEnum";
import { useAuthStore } from "@/store/auth";
// 在js文件中需要导入你创建的router文件即可!!!
import router from '@/router';

import {
    createDiscreteApi,
    darkTheme,
    lightTheme, NAvatar
} from "naive-ui";
import {blobValidate, tansParams} from "@/utils/utils";

// const { message: Message, notification: Notification, dialog: Dialog, loadingBar } = createDiscreteApi(
//     ["message", "dialog", "notification", "loadingBar"],
//     {
//         configProviderProps: { theme: darkTheme }
//     }
// );


export let isRelogin = { show: false };
axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'

let downloadLoadingInstance;

// 创建axios实例
const service = axios.create({
     baseURL: import.meta.env.VITE_BASE_URL,
    // baseURL: 'http://frp.iodao.cn:7601/api/',
    // baseURL: 'http://frp.iodao.cn:7980/esvm/api/',
    timeout: 10000
})

// request拦截器
service.interceptors.request.use(config => {
    // 是否需要设置 token
    const isToken = (config.headers || {}).isToken === false

    // 是否需要防止数据重复提交
    const isRepeatSubmit = (config.headers || {}).repeatSubmit === false
    if (getCache(TOKEN_KEY) && !isToken) {
        config.headers['Authorization'] = getCache(TOKEN_KEY) // 让每个请求携带自定义token 请根据实际情况自行修改
    }
    // get请求映射params参数
    if (config.method === 'get' && config.params) {
        let url = config.url + '?' + tansParams(config.params);
        url = url.slice(0, -1);
        config.params = {};
        config.url = url;
    }
    if (!isRepeatSubmit && (config.method === 'post' || config.method === 'put')) {
        const requestObj = {
            url: config.url,
            data: typeof config.data === 'object' ? JSON.stringify(config.data) : config.data,
            time: new Date().getTime()
        }
        const requestSize = Object.keys(JSON.stringify(requestObj)).length; // 请求数据大小
        const limitSize = 5 * 1024 * 1024; // 限制存放数据5M
        if (requestSize >= limitSize) {
            console.warn(`[${config.url}]: ` + '请求数据大小超出允许的5M限制，无法进行防重复提交验证。')
            return config;
        }
        const sessionObj = cache.session.getJSON('sessionObj')
        if (sessionObj === undefined || sessionObj === null || sessionObj === '') {
            cache.session.setJSON('sessionObj', requestObj)
        } else {
            const s_url = sessionObj.url;                  // 请求地址
            const s_data = sessionObj.data;                // 请求数据
            const s_time = sessionObj.time;                // 请求时间
            const interval = 1000;                         // 间隔时间(ms)，小于此时间视为重复提交
            if (s_data === requestObj.data && requestObj.time - s_time < interval && s_url === requestObj.url) {
                const message = '数据正在处理，请勿重复提交';
                console.warn(`[${s_url}]: ` + message)
                return Promise.reject(new Error(message))
            } else {
                cache.session.setJSON('sessionObj', requestObj)
            }
        }
    }
    return config
}, error => {
    console.log(error)
    Promise.reject(error)
})

// 响应拦截器
service.interceptors.response.use(res => {
        const authStore = useAuthStore();

        // 未设置状态码则默认成功状态
        const code = res.data.code;
        // 获取错误信息
        const msg = errorCode[code] || res.data.message || errorCode['default']
        // 二进制数据则直接返回
        if (res.request.responseType ===  'blob' || res.request.responseType ===  'arraybuffer') {
            return res.data
        }
        if (code === 401) {
            if (!isRelogin.show) {
                isRelogin.show = true;
                dialog.warning({
                    title: '系统提示',
                    content: '登录状态已过期，您可以继续留在该页面，或者重新登录？',
                    positiveText: '确定',
                    negativeText: '取消',
                    onPositiveClick: () => {
                        window.$Message.success('确定')
                        isRelogin.show = false;
                        authStore.loginOut().then(() => {
                            location.href = '/index';
                        })
                    },
                    onNegativeClick: () => {
                        window.$Message.error('取消')
                        isRelogin.show = false;
                    }
                })

            }
            return Promise.reject('无效的会话，或者会话已过期，请重新登录。')
        }
        else if (code === 402) {
            window.$Dialog.warning({
                title: "提示",
                content: msg + "？",
                positiveText: "确定",
                negativeText: "稍后",
                onPositiveClick: () => {
                    console.log('router------->', router)
                    authStore.loginOut().then(() => {
                        router.replace("/login")
                    })

                },
                onNegativeClick: () => {
                    
                }
            })
        }
        else if (code === 500) {
            window.$Message.error(msg)
            return Promise.reject(new Error(msg))
        }
        else if (code === 601) {
            window.$Message.error(msg)
            return Promise.reject('error')
        }
        else if (code !== 1) {

            // Notification.error({ title: msg })
            window.$Message.error(msg)
            return Promise.reject('error')
        } else {
            return res.data
        }
    },
    error => {
        console.log('err' + error)
        let { message } = error;
        if (message === "Network Error") {
            message = "后端接口连接异常";
        } else if (message.includes("timeout")) {
            message = "系统接口请求超时";
        } else if (message.includes("Request failed with status code")) {
            message = "系统接口" + message.substr(message.length - 3) + "异常";
        }
        window.$Message.error(message, { duration: 5 * 1000 })
        return Promise.reject(error)
    }
)

// 通用下载方法
export function download(url, params, filename, config) {
    downloadLoadingInstance = Loading.service({ text: "正在下载数据，请稍候", spinner: "el-icon-loading", background: "rgba(0, 0, 0, 0.7)", })
    return service.post(url, params, {
        transformRequest: [(params) => { return tansParams(params) }],
        headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
        responseType: 'blob',
        ...config
    }).then(async (data) => {
        const isBlob = blobValidate(data);
        if (isBlob) {
            const blob = new Blob([data])
            saveAs(blob, filename)
        } else {
            const resText = await data.text();
            const rspObj = JSON.parse(resText);
            const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default']
            window.$Message.error(errMsg);

        }
        downloadLoadingInstance.close();
    }).catch((r) => {
        console.error(r)
        window.$Message.error('下载文件出现错误，请联系管理员！')
        downloadLoadingInstance.close();
    })
}



export default service
